school environmental protection agency
1999年12月 » In December 1999 校环保社 » School environmental protection agency 朋友生病了，我们要看望他。朋友不开心，我们要让他开心。
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school environmental protection agency
学校环境保护局
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Charles Bolden, the head of the US space agency, NASA,and Lisa Jackson from the Environmental Protection Agency,or EPA, came to this Washington,DC middle school to encourage these youngsters to focus on math and science careers.
VOA: standard.2010.05.10